Fatal error: Uncaught Error: mysqli object is not fully initialized in /usr/home/matir1217/domains/testforum.ct8.pl/public_html/phpbb/db/driver/mysqli.php:200
Stack trace:
#0 /usr/home/matir1217/domains/testforum.ct8.pl/public_html/phpbb/db/driver/mysqli.php(200): mysqli_query(Object(mysqli), 'SELECT config_n...')
#1 /usr/home/matir1217/domains/testforum.ct8.pl/public_html/phpbb/db/driver/factory.php(353): phpbb\db\driver\mysqli->sql_query('SELECT config_n...', 0)
#2 /usr/home/matir1217/domains/testforum.ct8.pl/public_html/phpbb/config/db.php(72): phpbb\db\driver\factory->sql_query('SELECT config_n...')
#3 /usr/home/matir1217/domains/testforum.ct8.pl/public_html/phpbb/config/db.php(55): phpbb\config\db->initialise(Object(phpbb\cache\driver\file))
#4 [internal function]: phpbb\config\db->__construct(Object(phpbb\db\driver\factory), Object(phpbb\cache\driver\file), 'phpbb_config')
#5 /usr/home/matir1217/domains/testforum.ct8.pl/public_html/vendor/symfony/dependency-injection/ContainerBuilder.php(1176): ReflectionClass->newInstanceArgs(Array)
#6 /usr/home/matir1217/domains/testforum.ct8.pl/public_html/vendor/symfony/dependency-injection/ContainerBuilder.php(634): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), Array, true, 'config')
#7 /usr/home/matir1217/domains/testforum.ct8.pl/public_html/vendor/symfony/dependency-injection/ContainerBuilder.php(1281): Symfony\Component\DependencyInjection\ContainerBuilder->doGet('config', 1, Array, true)
#8 /usr/home/matir1217/domains/testforum.ct8.pl/public_html/vendor/symfony/dependency-injection/ContainerBuilder.php(1238): Symfony\Component\DependencyInjection\ContainerBuilder->doResolveServices(Object(Symfony\Component\DependencyInjection\Reference), Array, true)
#9 /usr/home/matir1217/domains/testforum.ct8.pl/public_html/vendor/symfony/dependency-injection/ContainerBuilder.php(1149): Symfony\Component\DependencyInjection\ContainerBuilder->doResolveServices(Array, Array, true)
#10 /usr/home/matir1217/domains/testforum.ct8.pl/public_html/vendor/symfony/dependency-injection/ContainerBuilder.php(634): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), Array, true, 'cache')
#11 /usr/home/matir1217/domains/testforum.ct8.pl/public_html/vendor/symfony/dependency-injection/ContainerBuilder.php(588): Symfony\Component\DependencyInjection\ContainerBuilder->doGet('cache', 1)
#12 /usr/home/matir1217/domains/testforum.ct8.pl/public_html/download/file.php(73): Symfony\Component\DependencyInjection\ContainerBuilder->get('cache')
#13 {main}
  thrown in /usr/home/matir1217/domains/testforum.ct8.pl/public_html/phpbb/db/driver/mysqli.php on line 200